diff --git a/lld/ELF/SyntheticSections.cpp b/lld/ELF/SyntheticSections.cpp
index 8168eaaf1030..30c0cbb38e3d 100644
--- a/lld/ELF/SyntheticSections.cpp
+++ b/lld/ELF/SyntheticSections.cpp
@@ -1743,7 +1743,7 @@ void GnuHashTableSection::writeTo(uint8_t *Buf) {
 // [1] Ulrich Drepper (2011), "How To Write Shared Libraries" (Ver. 4.1.2),
 //     p.9, https://www.akkadia.org/drepper/dsohowto.pdf
 void GnuHashTableSection::writeBloomFilter(uint8_t *Buf) {
-  const unsigned C = Config->Wordsize * 8;
+  unsigned C = Config->Is64 ? 64 : 32;
   for (const Entry &Sym : Symbols) {
     size_t I = (Sym.Hash / C) & (MaskWords - 1);
     uint64_t Val = readUint(Buf + I * Config->Wordsize);